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  • Welcome to Opus
  • Introduction
    • ▸ What is Opus?
      • Overview of the product
      • Vision: Automation layer for the decentralized web
      • Key verticals
      • EIP-7702
  • ▸ How Opus Works
    • Browser-based architecture (no install)
    • EIP-7702 session-based automation
    • AI agent decision-making process
    • Smart contract interaction layer
  • ⚙️ Architecture
    • ▸ System Overview
      • High-level architecture diagram
    • ▸ EIP-7702 Integration
      • Comparison vs EIP-4337 / traditional EOAs
    • ▸ Smart Contract Design
      • Core contracts:
      • Contract architecture diagrams
      • Gas considerations
  • ⚡ Use Cases
    • ▸ DeFi Automation
    • ▸ NFT Trading
    • ▸ DAO Governance
  • 🛠️ Getting Started
    • ▸ dApp Walkthrough
      • Getting Started with Opus dApp
      • Logs and automation history
  • 🧪 Developers
    • ▸ API Access
      • Endpoints for task creation, monitoring, retrieval
      • Auth via wallet signatures
    • ▸ Custom Strategies
      • DSL (Domain Specific Language) or JSON schema explanation
      • Writing your own task logic
    • ▸ Contract ABIs & Events
      • ABI snippets with examples
      • Event logs used by the platform
  • 🔐 Security & Audits
    • ▸ EIP-7702 Session Key Risks
      • Threat model
      • Session revocation mechanism
      • Time-bound delegation logic
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  1. 🧪 Developers
  2. ▸ Contract ABIs & Events

ABI snippets with examples

Each smart contract exposes ABIs for direct use in Web3 apps and agents.

AutomationRegistry ABI Fragment

[
  {
    "name": "registerTask",
    "type": "function",
    "inputs": [
      { "name": "condition", "type": "bytes" },
      { "name": "action", "type": "bytes" }
    ],
    "outputs": [
      { "name": "taskId", "type": "uint256" }
    ]
  }
]

ethers.js Example Usage:

const registry = new ethers.Contract(REGISTRY_ADDRESS, abi, signer);
const tx = await registry.registerTask(conditionBytes, actionBytes);

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Last updated 13 days ago